<template>
	<div class="TUIChat" :class="[!isPC ? 'TUIChat-H5' : '']">
		<div class="TUIChat-main">
			<div class="TUIChat-safe-tips" v-if="ru_title !== 'Оператор'" v-show="jubao==1">
				<span>
					{{$t('该用户发送内容违规或引起不适')}}
					<!-- {{
            TUITranslateService.t(
              "TUIChat.【安全提示】本 APP 仅用于体验腾讯云即时通信 IM 产品功能，不可用于业务洽谈与拓展。请勿轻信汇款、中奖等涉及钱款的信息，勿轻易拨打陌生电话，谨防上当受骗。"
            )
          }} -->
				</span>
				<a @click="openComplaintLink(Link.complaint)">
					{{$t('举报该用户')}}
					<!-- {{
          TUITranslateService.t("TUIChat.点此投诉")
        }} -->
				</a>
			</div>
			<div class="TUIChat-application-tips" v-if="isGroup && groupApplicationCount > 0"
				@click="toggleApplicationList()">
				<span>
					{{ groupApplicationCount }}
					{{ TUITranslateService.t("TUIChat.条入群申请") }}
					<span class="application-tips-btn">{{ TUITranslateService.t("TUIChat.点击处理") }}</span>
				</span>
			</div>
			<scroll-view id="messageScrollList" class="TUI-message-list" scroll-y="true" :scroll-top="scrollTop">
				<p v-if="!isCompleted" class="message-more">

					<text v-if="lang!='ru'"
						@click="getHistoryMessageList">{{ TUITranslateService.t("TUIChat.查看更多") }}</text>

					<text v-if="lang=='ru'" @click="getHistoryMessageList">Еще</text>

				</p>
				<li v-for="(item, index) in messageList" :id="`tui-${item.ID}`" :key="item.vueForRenderKey"
					v-show="item.getMessageContent().businessID != '' || item.getMessageContent().custom == 'TUIChat.[自定义消息]'"
					:class="'message-li ' + item.flow">
					<MessageTimestamp :currTime="item.time" :prevTime="index > 0 ? messageList[index - 1].time : 0">
					</MessageTimestamp>
					<div class="message-item" @click.stop="toggleID = ''">
						<MessageTip v-if="item.type === TYPES.MSG_GRP_TIP || isCreateGroupCustomMessage(item)"
							:content="item.getMessageContent()" />
						<div v-else-if="!item.isRevoked && !isPluginMessage(item)" :id="`msg-bubble-${item.ID}`"
							class="message-bubble-container"
							@longpress="handleToggleMessageItem($event, item, index, true)"
							@touchstart="handleH5LongPress($event, item, index, 'touchstart')"
							@touchend="handleH5LongPress($event, item, index, 'touchend')"
							@mouseover="handleH5LongPress($event, item, index, 'touchend')">
							<MessageBubble :messageItem="item" :content="item.getMessageContent()"
								:messageId="currentConversationID" :blinkMessageIDList="blinkMessageIDList"
								@resendMessage="resendMessage(item)" @blinkMessage="blinkMessage" @scrollTo="scrollTo"
								@setReadReciptPanelVisible="setReadReciptPanelVisible">
								<MessageText v-if="item.type === TYPES.MSG_TEXT" :content="item.getMessageContent()" />
								<ProgressMessage v-if="item.type === TYPES.MSG_IMAGE"
									:content="item.getMessageContent()" :messageItem="item">
									<MessageImage :content="item.getMessageContent()" :messageItem="item"
										@previewImage="handleImagePreview" />
								</ProgressMessage>
								<ProgressMessage v-if="item.type === TYPES.MSG_VIDEO"
									:content="item.getMessageContent()" :messageItem="item">
									<MessageVideo :content="item.getMessageContent()" :messageItem="item" />
								</ProgressMessage>
								<MessageAudio v-if="item.type === TYPES.MSG_AUDIO" :content="item.getMessageContent()"
									:messageItem="item" :broadcastNewAudioSrc="broadcastNewAudioSrc"
									@getGlobalAudioContext="getGlobalAudioContext" />
								<MessageFile v-if="item.type === TYPES.MSG_FILE" :content="item.getMessageContent()" />
								<MessageFace v-if="item.type === TYPES.MSG_FACE" :content="item.getMessageContent()"
									:isPC="isPC" />
								<MessageLocation v-if="item.type === TYPES.MSG_LOCATION"
									:content="item.getMessageContent()" />
								<MessageCustom v-if="item.type === TYPES.MSG_CUSTOM" :content="item.getMessageContent()"
									:messageItem="item" />
							</MessageBubble>
						</div>
						<MessagePlugin v-else-if="!item.isRevoked && isPluginMessage(item)" :message="item"
							@resendMessage="resendMessage" @handleToggleMessageItem="handleToggleMessageItem"
							@handleH5LongPress="handleH5LongPress" />
						<MessageRevoked v-else :isEdit="item.type === TYPES.MSG_TEXT" :messageItem="item"
							@messageEdit="handleEdit(item)" />
						<MessageTool
							:class="['message-tool', item.flow === 'out' ? 'message-tool-out' : 'message-tool-in']"
							:messageItem="item" v-if="item.ID === toggleID" />
					</div>
				</li>
			</scroll-view>
			<Dialog v-if="reSendDialogShow" :show="reSendDialogShow" :isH5="!isPC" :center="true" :isHeaderShow="isPC"
				@submit="resendMessageConfirm()" @update:show="(e) => (reSendDialogShow = e)">
				<p class="delDialog-title">
					{{ TUITranslateService.t("TUIChat.确认重发该消息？") }}
				</p>
			</Dialog>
			<ImagePreviewer v-if="showImagePreview" :currentImage="currentImagePreview" :imageList="imageMessageList"
				@close="onImagePreviewerClose"></ImagePreviewer>
			<MessageGroupSystem v-if="showGroupApplication" :groupID="groupID"
				@toggleApplicationList="toggleApplicationList" @handleGroupApplication="handleGroupApplication">
			</MessageGroupSystem>
			<!-- 已读回执用户列表面板 -->
			<ReadReciptPanel v-if="isShowReadUserStatusPanel" :message="Object.assign({}, readStatusMessage)"
				@setReadReciptPanelVisible="setReadReciptPanelVisible" />
		</div>
	</div>
</template>
<script lang="ts" setup>
	import {
		ref,
		computed,
		nextTick,
		onMounted,
		onUnmounted,
		getCurrentInstance,
	} from "../../../adapter-vue";

	import TUIChatEngine, {
		IMessageModel,
		TUIStore,
		StoreName,
		TUITranslateService,
		TUIChatService,
		TUIGroupService,
	} from "@tencentcloud/chat-uikit-engine";

	import Link from "./link";
	import MessageText from "./message-elements/message-text.vue";
	import ProgressMessage from "../../common/ProgressMessage/index.vue";
	import MessageImage from "./message-elements/message-image.vue";
	import MessageAudio from "./message-elements/message-audio.vue";
	import MessageFile from "./message-elements/message-file.vue";
	import MessageFace from "./message-elements/message-face.vue";
	import MessageCustom from "./message-elements/message-custom.vue";
	import MessageTip from "./message-elements/message-tip.vue";
	import MessageBubble from "./message-elements/message-bubble.vue";
	import MessageLocation from "./message-elements/message-location.vue";
	import MessageTimestamp from "./message-elements/message-timestamp.vue";
	import MessageVideo from "./message-elements/message-video.vue";
	import MessageTool from "./message-tool/index.vue";
	import MessageRevoked from "./message-tool/message-revoked.vue";
	import MessageGroupSystem from "./message-elements/message-group-system.vue";
	import MessagePlugin from "../../../plugins/plugin-components/message-plugin.vue";
	import ReadReciptPanel from "./read-receipt-panel/index.vue";
	import { isPluginMessage } from "../../../plugins/plugin-components/index";
	import Dialog from "../../common/Dialog/index.vue";
	import ImagePreviewer from "../../common/ImagePreviewer/index.vue";
	import { isCreateGroupCustomMessage } from "../utils/utils";
	import { getBoundingClientRect, getScrollInfo, instanceMapping } from "../../../utils/universal-api/domOperation";
	import { isEnabledMessageReadReceiptGlobal } from "../utils/utils";
	import { isPC, isH5 } from "../../../utils/env";
	import { TUIGlobal } from "../../../utils/universal-api";
	import { IAudioContext } from "../../../interface";

	import store from '@/store/index.js';

	const props = defineProps({
		groupID: {
			type: String,
			default: "",
		},
		isGroup: {
			type: Boolean,
			default: false,
		},
	});

	const lang = getApp().globalData.lang

	let ru_title = ref('');
	if (getApp().globalData.lang === 'ru') {
		ru_title = ref('Оператор');
	}

	let jubao = ref(0)
	if (getApp().globalData.lang === 'zh') {
		jubao = ref(getApp().globalData.site.jubao);
	}

	let observer : any = null;
	let groupType : string | undefined;
	const sentReceiptMessageID = new Set<string>();
	const thisInstance = getCurrentInstance()?.proxy || getCurrentInstance();
	const messageListRef = ref();
	const title = ref("TUIChat");
	const messageList = ref();
	const isCompleted = ref(false);
	const currentConversationID = ref("");
	const nextReqMessageID = ref();
	const toggleID = ref("");
	const scrollTop = ref(5000); // 首次是 15 条消息，最大消息高度为300
	const TYPES = ref(TUIChatEngine.TYPES);
	const listRef = ref();
	const isLoadMessage = ref(false);
	const isLongpressing = ref(false);
	const blinkMessageIDList = ref<string[]>([]);

	// audio control
	const globalAudioContext = ref<IAudioContext | null>(null);
	const broadcastNewAudioSrc = ref<string>('');

	// 阅读回执状态message
	const readStatusMessage = ref<IMessageModel>();
	const isShowReadUserStatusPanel = ref<boolean>(false);

	// 加群申请系统消息
	const groupApplicationCount = ref(0);
	const showGroupApplication = ref(false);
	const applicationUserIDList = ref([]);

	// 消息重发 Dialog
	const reSendDialogShow = ref(false);
	const resendMessageData = ref();
	const emits = defineEmits(["handleEditor"]);

	// 图片预览相关
	const showImagePreview = ref(false);
	const currentImagePreview = ref<IMessageModel>();
	const imageMessageList = computed(() =>
		messageList?.value?.filter((item : IMessageModel) => {
			return !item.isRevoked && !item.hasRiskContent && item.type === TYPES.value.MSG_IMAGE;
		})
	);

	// 消息滑动到底部，建议搭配 nextTick 使用
	const scrollToBottom = () => {
		// 文本消息高度：60, 最大消息高度 280
		scrollTop.value += 300;
		// 解决 uniapp 打包到 app 首次进入滑动到底部，300 可设置
		const timer = setTimeout(() => {
			scrollTop.value += 1;
			clearTimeout(timer);
		}, 300);
	};

	// 监听回调函数
	const onCurrentConversationIDUpdated = (conversationID : string) => {
		currentConversationID.value = conversationID;
		TUIGroupService.getGroupApplicationList().then((res : any) => {
			const applicationList = res.data.applicationList.filter(
				(application : any) => application.groupID === props.groupID
			);
			applicationUserIDList.value = applicationList.map((application : any) => {
				return application.applicationType === 0
					? application.applicant
					: application.userID;
			});
			TUIStore.update(
				StoreName.CUSTOM,
				"groupApplicationCount",
				applicationList.length
			);
		});

		// 开启已读回执的状态 群聊缓存群类型
		if (isEnabledMessageReadReceiptGlobal()) {
			const { groupProfile } = TUIStore.getConversationModel(conversationID) || {};
			groupType = groupProfile?.type;
		}
	};

	// operationType 操作类型 1: 有用户申请加群   23: 普通群成员邀请用户进群
	const onGroupSystemNoticeList = (list : Array<IMessageModel>) => {
		const systemNoticeList = list.filter((message) => {
			const { operationType } = message.payload;
			return (
				(operationType === 1 || operationType === 23) &&
				message.to === props.groupID
			);
		});

		systemNoticeList.forEach((systemNotice) => {
			const { operationType } = systemNotice.payload;
			if (operationType === 1) {
				const { operatorID } = systemNotice.payload;
				if (!applicationUserIDList.value.includes(operatorID)) {
					applicationUserIDList.value.push(operatorID);
				}
			}
			if (operationType === 23) {
				const { inviteeList } = systemNotice.payload;
				inviteeList.forEach((invitee) => {
					if (!applicationUserIDList.value.includes(invitee)) {
						applicationUserIDList.value.push(invitee);
					}
				});
			}
		});
		const applicationCount = applicationUserIDList.value.length;
		TUIStore.update(StoreName.CUSTOM, "groupApplicationCount", applicationCount);
	};

	// 消息列表监听
	TUIStore.watch(StoreName.CHAT, {
		messageList: onMessageListUpdated,
		isCompleted: onChatCompletedUpdated,
	});

	TUIStore.watch(StoreName.CONV, {
		currentConversationID: onCurrentConversationIDUpdated,
	});

	// 群系统消息
	TUIStore.watch(StoreName.GRP, {
		groupSystemNoticeList: onGroupSystemNoticeList,
	});

	// 群系统消息数量
	TUIStore.watch(StoreName.CUSTOM, {
		groupApplicationCount: onGroupApplicationCountUpdated,
	});

	onMounted(() => {
		instanceMapping.set('messageList', thisInstance);
		//  if(getApp().globalData.lang==='ru'){
		// uni.setNavigationBarTitle({
		//     title: 'Оператор' // 设置的新标题
		// });
		//  }

	});

	// 取消监听
	onUnmounted(() => {
		TUIStore.unwatch(StoreName.CHAT, {
			messageList: onMessageListUpdated,
			isCompleted: onChatCompletedUpdated,
		});

		TUIStore.unwatch(StoreName.CONV, {
			currentConversationID: onCurrentConversationIDUpdated,
		});

		// 群系统消息
		TUIStore.unwatch(StoreName.GRP, {
			groupSystemNoticeList: onGroupSystemNoticeList,
		});

		TUIStore.unwatch(StoreName.CUSTOM, {
			groupApplicationCount: onGroupApplicationCountUpdated,
		});

		observer?.disconnect();
		observer = null;
	});

	function getGlobalAudioContext(audioMap : Map<string, IAudioContext>, options ?: { newAudioSrc : string }) {
		if (options?.newAudioSrc) {
			broadcastNewAudioSrc.value = options.newAudioSrc;
		}
	}

	function onMessageListUpdated(list : IMessageModel[]) {
		observer?.disconnect();
		if (list?.length > 3) {
			store.commit("setPushPage", true);
		} else {
			store.commit("setPushPage", false);
		}

		messageList.value = list
			.filter(message => !message.isDeleted)
			.map((message) => {
				message.vueForRenderKey = `${message.ID}`;
				return message;
			});
		// 点击加载更多的消息不需要滑动到底部
		if (!isLoadMessage.value) {
			nextTick(() => {
				scrollToBottom();
			});
		}

		if (isEnabledMessageReadReceiptGlobal()) {
			nextTick(() => bindIntersectionObserver());
		}
	}

	function onChatCompletedUpdated(flag : boolean) {
		isCompleted.value = flag;
	}

	function onGroupApplicationCountUpdated(count : number) {
		groupApplicationCount.value = count;
	}

	// 获取历史消息
	const getHistoryMessageList = () => {
		isLoadMessage.value = true;
		TUIChatService.getMessageList().then((res : any) => {
			const { nextReqMessageID: ID } = res.data;
			nextReqMessageID.value = ID;
			isLoadMessage.value = false;
		});
	};

	const toggleApplicationList = () => {
		showGroupApplication.value = !showGroupApplication.value;
	};

	const handleGroupApplication = (userID : string) => {
		const index = applicationUserIDList.value.indexOf(userID);
		if (index !== -1) {
			applicationUserIDList.value.splice(index, 1);
		}
	};
	// todo: webview 跳转
	const openComplaintLink = (type : any) => {
		TUIGlobal?.navigateTo({
			url: "/pages/user/report/report",
		});
	};

	// 消息操作
	const handleToggleMessageItem = (
		e : any,
		message : IMessageModel,
		index : number,
		isLongpress = false
	) => {
		if (isLongpress) {
			isLongpressing.value = true;
		}
		toggleID.value = message.ID;
	};

	// h5 long press
	let timer : number;
	const handleH5LongPress = (
		e : any,
		message : IMessageModel,
		index : number,
		type : string
	) => {
		if (!isH5) return;
		function longPressHandler() {
			clearTimeout(timer);
			handleToggleMessageItem(e, message, index, true);
		}
		function touchStartHandler() {
			timer = setTimeout(longPressHandler, 500);
		}
		function touchEndHandler() {
			clearTimeout(timer);
		}
		switch (type) {
			case "touchstart":
				touchStartHandler();
				break;
			case "touchend":
				touchEndHandler();
				setTimeout(() => {
					isLongpressing.value = false;
				}, 200);
				break;
		}
	};

	// 消息撤回后，编辑消息
	const handleEdit = (message : IMessageModel) => {
		emits("handleEditor", message, "reedit");
	};

	// 重发消息
	const resendMessage = (message : IMessageModel) => {
		reSendDialogShow.value = true;
		resendMessageData.value = message;
	};

	// 图片预览
	// 开启图片预览
	const handleImagePreview = (message : IMessageModel) => {
		if (
			showImagePreview.value ||
			currentImagePreview.value ||
			isLongpressing.value
		) {
			return;
		}
		showImagePreview.value = true;
		currentImagePreview.value = message;
	};
	// 关闭图片预览
	const onImagePreviewerClose = () => {
		showImagePreview.value = false;
		setTimeout(() => {
			currentImagePreview.value = null;
		}, 50);
	};

	const resendMessageConfirm = () => {
		reSendDialogShow.value = !reSendDialogShow.value;
		const messageModel = resendMessageData.value;
		messageModel.resendMessage();
	};

	function blinkMessage(messageID : string) : Promise<void> {
		return new Promise((resolve) => {
			const index = blinkMessageIDList.value.indexOf(messageID);
			if (index < 0) {
				blinkMessageIDList.value.push(messageID);
				const timer = setTimeout(() => {
					blinkMessageIDList.value.splice(blinkMessageIDList.value.indexOf(messageID), 1);
					clearTimeout(timer);
					resolve();
				}, 3000);
			}
		});
	}

	function scrollTo(scrollHeight : number) {
		scrollTop.value = scrollHeight;
	}

	// 滚动到最新消息
	async function scrollToLatestMessage() {
		const { scrollHeight } = await getScrollInfo('#messageScrollList', 'messageList');
		const { height } = await getBoundingClientRect('#messageScrollList', 'messageList');
		scrollTop.value = scrollHeight - height;
	}

	async function bindIntersectionObserver() {
		if (messageList.value.length === 0) {
			return;
		}

		if (groupType === TYPES.value.GRP_AVCHATROOM || groupType === TYPES.value.GRP_COMMUNITY) {
			// 直播群以及社群不进行消息的已读回执监听
			return;
		}

		observer?.disconnect();
		observer = uni.createIntersectionObserver(thisInstance, {
			threshold: [0.7],
			observeAll: true,
			// uni 下会把 safetip 也算进去 需要负 margin 来排除
		}).relativeTo('#messageScrollList', { top: -70 });

		observer?.observe('.message-li.in .message-bubble-container', (res : any) => {
			if (sentReceiptMessageID.has(res.id)) {
				return;
			}
			const matchingMessage = messageList.value.find((message : IMessageModel) => {
				return res.id.indexOf(message.ID) > -1;
			});
			if (
				matchingMessage &&
				matchingMessage.needReadReceipt &&
				matchingMessage.flow === 'in' &&
				!matchingMessage.readReceiptInfo?.isPeerRead
			) {
				TUIChatService.sendMessageReadReceipt([matchingMessage]);
				sentReceiptMessageID.add(res.id);
			}
		});
	}

	function setReadReciptPanelVisible(visible : boolean, message ?: IMessageModel) {
		if (!visible) {
			readStatusMessage.value = undefined;
		} else {
			readStatusMessage.value = message;
		}
		isShowReadUserStatusPanel.value = visible;
	}

	defineExpose({
		scrollToBottom,
	});
</script>
<style lang="scss" scoped src="./style/index.scss"></style>
<style lang="scss" scoped>
	.TUI-message-list {
		padding-top: 10rpx;

		.uni-scroll-view-content {
			padding-bottom: 120rpx;
		}
	}
</style>